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path: root/drivers/dma/amba-pl08x.c
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Diffstat (limited to 'drivers/dma/amba-pl08x.c')
-rw-r--r--drivers/dma/amba-pl08x.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index b6132845e65..30b6921f094 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -1671,10 +1671,7 @@ static void pl08x_tasklet(unsigned long data)
1671 spin_lock_irqsave(&plchan->lock, flags); 1671 spin_lock_irqsave(&plchan->lock, flags);
1672 list_splice_tail_init(&plchan->done_list, &head); 1672 list_splice_tail_init(&plchan->done_list, &head);
1673 1673
1674 /* If a new descriptor is queued, set it up plchan->at is NULL here */ 1674 if (plchan->at || !list_empty(&plchan->pend_list) || plchan->phychan_hold) {
1675 if (!list_empty(&plchan->issued_list)) {
1676 pl08x_start_next_txd(plchan);
1677 } else if (!list_empty(&plchan->pend_list) || plchan->phychan_hold) {
1678 /* 1675 /*
1679 * This channel is still in use - we have a new txd being 1676 * This channel is still in use - we have a new txd being
1680 * prepared and will soon be queued. Don't give up the 1677 * prepared and will soon be queued. Don't give up the
@@ -1786,6 +1783,10 @@ static irqreturn_t pl08x_irq(int irq, void *dev)
1786 pl08x_release_mux(plchan); 1783 pl08x_release_mux(plchan);
1787 dma_cookie_complete(&tx->tx); 1784 dma_cookie_complete(&tx->tx);
1788 list_add_tail(&tx->node, &plchan->done_list); 1785 list_add_tail(&tx->node, &plchan->done_list);
1786
1787 /* And start the next descriptor */
1788 if (!list_empty(&plchan->issued_list))
1789 pl08x_start_next_txd(plchan);
1789 } 1790 }
1790 spin_unlock(&plchan->lock); 1791 spin_unlock(&plchan->lock);
1791 1792